the news comes as rebels are also preparing an offensive to seize an eastern city. at least 13 people were killed and dozens wounded when a bus exploded near syria's border with turkey. speaking at a public event in new york, u.n. secretary general ban ki-moon continued to warn syria is being torn apart. >> fighting and citrine rages are on the rise. the catalog of world crimes is mounting, sexual violence is widespread the destruction of systematic. syria is being torn apart limb by limb. >> admits the unrelenting violence, both the al-assad regime and the opposition are opening the window to potential up associations. responding to a rival offer for talks and the opposition- controlled north, the assad regime said monday it's willing to meet anywhere abroad. in an interview, assange, a member said he would sit down with opposition leader al- khativ "in any foreign city to discuss the preparations for national dialogue." clashes erupted in egypt monday on the second anniversary the overthrow of longtime dictator hosni mubarak. police fired teargas and water cannons